Where were the US fighters on 9/11?

As had been the case since the earliest days of the Cold War, the Pentagon had air assets on alert the morning of 9/11. But for all of the time and money invested in protecting the homeland from airborne threats, none of the American fighters were able to intercept the airliners that had been hijacked by terrorists on that terrible day.

This exclusive WATM video explores the chain of events, how information was passed between commands, and how jets wound up in the wrong pieces of sky only to arrive over the WTC and Pentagon too late to prevent the attacks or effect the outcomes in any way.